NAICS 511130: Book Publishers
This industry comprises establishments known as book publishers.  Establishments in this industry carry out design, editing, and marketing activities necessary for producing and distributing books.  These establishments may publish books in print, electronic, or audio form, including exclusively on the Internet.

Illustrative Examples:

Atlas publishers
Religious book publishers
Graphic novel publishers
School textbook publishers
Encyclopedia publishers
Technical manual publishers
Map publishers 
Travel guide book publishers

ExioML sector: Printed matter and recorded media (22)
Region: US | Year: 2022
Sector value added: 101252.173354 M EUR | Employment: 359.12725278 thousand persons
Sector GHG emissions: 8762521777.57 kg CO2 eq | Energy carrier net total: 269198.419669 TJ | Carbon intensity: 0.08654156732946645

Company: Houghton Mifflin Holdings Inc
Houghton Mifflin Harcourt (/ˈhoʊtən/; HOH-tən; HMH) is an American publisher of textbooks, instructional technology materials, assessments, and reference works. The company is based in the Boston Financial District.